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AAM 14 Bolt, Rear Differential Cover
2019 and Newer Ram Trucks

PML Part Number 11176, NEW PRODUCT

Check your vehicle to verify differential and clearance for a larger cover.

PML AAM Differential Cover For 2019 and Newer Dodge Trucks, casting  
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PML AAM Diff Cover For 2019 and Newer Dodge Trucks, black powder coated finish  
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As-cast finish
$200.00
Go To Cart
Black powder coating
$270.00
Go To Cart

Check your factory fluid change procedure before ordering. If you need a large level check hole, for example a hole you can stick your finger in, this cover may not work for you.

Volume: approximately 0.6 quarts over stock

Dimensions:: approximately 3.4 inches deep, 0.25 more than stock cover

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2019 and newer Ram 2500 and Ram 3500 trucks may have a new American Axle Manufacturing (AAM) 14 bolt differential. The ring gear may be 11.8 or 12 inches, instead of 11.5.

PML designed this differential cover based on the stock cover from a 2019 Ram 2500, which has a slightly different shape and bolt hole pattern than 2018 and older trucks.

Benefits:

  • Drain and magnetic drain plug included
  • Heavy duty, sand cast aluminum
  • Finned for heat dissipation
  • Works with brake line bracket, no modification needed
  • Clears sway and pan hard bars on trucks with coil leaf suspension
  • Extra capacity

This new PML cover is an updated version of PML part number 11147.

Applications

We have seen this new differential on:

  • 2019 Ram 2500 and 3500
  • 2020 Ram 2500 and 3500

Configurations vary. Always check your vehicle.

2020 and newer GM heavy duty trucks have a similar cover on this new AAM differential. See PML part number 11173.

Power Wagons may still have the 2018 and older AAM differential.

For pre–2019 trucks with the AAM 11.5, 11.8 differential, see PML Part Numbers 10361 (Ram 3500) or 11147 (Ram 2500).

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Let us know if you are interested in a cover for this new differential.

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We welcome information and suggestions are welcome. Email info and pictures of the stock cover to: yourcovers@pmli.com or call us 310-671-4345

Drain, Fill and Level Check on PML Cover

PML 2019, 2020 Ram rear differential cover, level check  Click on image to view larger.

On this PML cover, the level check is the small hole on the side. There is a fill hole on the top and drain on the bottom.

A magnetic drain plug and plugs for the level check and fill holes are included.

Check your factory fluid change procedure before ordering. The fluid level check procedure is the same with the stock cover as with the PML cover. On the PML cover, the level check hole diameter is about 0.300 (3/8) inch. If a larger level check hole is needed, do not order this cover.

Inside of PML Cover

Gasket on PML cover Gasket on PML cover  Click on image to view larger.

Included With PML Cover

PML includes new mounting bolts, fill plug, level check hole plug, and a magnetic drain plug with each cover. The washer for the magnetic drain plug can be reused.

PML differential cover includes hardware  Click on image to view larger.

Stock Covers

The covers and gaskets for 2019 and newer and pre–2019 are similar to earlier years but NOT interchangeable.

2019 and newer Ram stock cover. Outside and inside.

2019 Ram 2500 and 3500 stock rear differential cover   Inside of 2019 Ram 2500 and 3500 stock rear differential cover
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2003 to 2018 Ram 3500 stock cover (also some 2003 to 2013 Ram 2500) and 2014 to 2018 Ram 2500 stock cover.

2003 to 2018 Ram 3500 stock rear differential cover   2014 to 2018 Ram 2500 stock rear differential cover
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Gaskets

First picture shows 2019 and newer gasket next to an older gasket for 11.5, 11.8 differentials. Second and third pictures shows an attempt to put the older gasket on a 2019 Ram 2500 stock cover.

New AAM gasket compared to pre 2019 gasket    
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These pictures show a gasket from a pre-2019 AAM 14 bolt cover on a 2019 Ram 2500 truck. The top and bottom bolt holes lined up but none of the other holes.

Installations

2019 Ram 2500 Diesel

Craig installed this differential cover on a 2019 Ram 2500 diesel with stock pan hard and sway bars. He used the stock bolt for the clip on the right side after removing the bolt flange. He unbolted the track and sway bars for the installation and added about 4 3/4 quarts of fluid total.

2019 Ram 2500 stock differential cover Stock rear differential cover   Bolts from brackets Bolts   PML AAM 12 differential cover installed PML cover installed   PML rear differential cover installed on 2019 Ram 2500, clears suspension No clearance issue with panhard and sway bars
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2019 Ram 2500 Diesel Hellwig Sway Bar

This part was successfully installed on a 2019 Ram 2500 Diesel Truck with coil suspension and a Hellwig sway bar.

Our thanks to Dave for working with us. Pictures from his installation are below:

2019 Ram 2500 stock differential cover 2019 Ram 2500 stock differential cover   Draining 2019 Ram 2500 differential Draining fluid from 2019 Ram 2500 differential   PML differential cover installed on 2019 Ram 2500 PML differential cover installed
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2019 Ram 3500 Diesel

Don installed PML front and rear differential covers on his 2019 Ram 3500 4x4 SRW with the 6.7 Diesel. Installation was straight forward and he did it in his driveway.

2019 Ram 3500 SRW 4x4 6.7 Cummins 2019 Ram 3500 4x4   Stock differential covers from a 2019 Ram 3500 4x4 Stock front and rear differential covers   PMl front differential cover installed on 2019 Ram 3500 PML front differential cover installed
Side view of PML rear differential cover on 2019 Ram 3500 Side view of PML rear differential cover installed   PML 14 bolt rear differential cover installed on 2019 Ram 3500 PML rear differential cover installed   Stock bracket for brake line fits with PML rear differential cover Stock brackets work with PML cover
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